🌐EnglishEnglishEspañolFrançaisItalianoNederlandsPolskiPortuguêsTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ8091751· pop 28Category:13th-century mathematiciansWikimedia categoryAvailable in 26 languagesEspañolFrançais中文日本語РусскийPortuguêsItalianoالعربيةArmenian